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My research program is structured into two thematic areas.
First, I study the ecology and long-term dynamics of coral reefs to identify temporal trends and provide an ecological context within which mechanistic research can be designed. Over the last 30 years, most of my ecological research has taken place on the shallow reefs along the south coast of St. John, US Virgin Islands, and on the coral reefs around Moorea, French Polynesia. In St. John, the coral reefs are protected within the VI National Park and Biosphere Reserve and I work closely with biologists and resource managers associated with the Virgin Islands National Park to study long-term changes in coral reef communities, and test hypotheses that shed light on the processes driving these changes. In 2013, I began a new project in collaboration with Dr. Howard Lasker (U of Buffalo) to evaluate how the octocoral communities have changed in concert with changes affecting stony corals and macroalgae. In Moorea, I serve as a co-PI on the Moorea Coral Reef LTER which has the objective of quantifying long-term changes in coral communities within a multidisciplinary context created by the large team of scientists associated with the project. My research in Moorea provide a rich context describing the dynamics of coral reefs that are strongly affected by routine physical forces (e.g., storm waves), and periodic disturbances such as the recent outbreak of the crown of the thorns seastar, Acanthaster planci, that decimated these reefs by 2010, and cyclones, like one that hit Moorea in 2010. Remarkably, the outer reefs have staged a phenomenal recovery from both of these events, and by 2016, areas of the outer reef had > 50% coral cover.
Second, I study the biology of individual corals to better understand their basic functionality and establish mechanistic links between organism performance and community dynamics. My work in this area continues to be strongly influenced by the patterns emerging from my time-series research, but recent studies have focused on evaluating the response of corals to ocean acidification (increasing seawater pCO2) and climate change (rising seawater temperature). I share funding with Robert Carpenter to study the effects of these agents on reef corals and coral reefs in Moorea, and to this end, we have been conducting a program of experimentation utilizing common gardens, shore-based mesocosms and flumes, and in water incubations using field-deployable flumes.
研究兴趣
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LIMNOLOGY AND OCEANOGRAPHYno. 3 (2024): 533-547
James Cant,Lorenzo Bramanti,Georgios Tsounis, Ángela Martínez Quintana,Howard R. Lasker,Peter J. Edmunds
Coral Reefspp.1-13, (2024)
The Journal of experimental biologyno. 9 (2024)
Kathryn C Scafidi,Peter J Edmunds
Frontiers in Ecology and the Environmentno. 4 (2024)
CORAL REEFSno. 6 (2023): 1233-1237
John F. Girard,Peter J. Edmunds
Journal of Experimental Marine Biology and Ecology (2023): 151870
INTEGRATIVE AND COMPARATIVE BIOLOGY (2023): 1-19
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